Question 177382
use the pathagorean theorem
:
sum of the square of the sides= the hypothenuse squared
:
our hypothenuse is the diagonal
:
{{{28^2+h^2=35^2}}}
:
{{{784+h^2=1225}}}
:
{{{h^2=441}}}
:
{{{sqrt(441)}}}
:
{{{highlight(h=21)}}}inches high